b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
85 lines
2.8 KiB
JavaScript
Executable file
85 lines
2.8 KiB
JavaScript
Executable file
/* global KeyboardHelper, LanguageList */
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/* exported LanguageManager */
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'use strict';
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var LanguageManager = {
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settings: window.navigator.mozSettings,
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init: function init() {
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this.buildLanguageList();
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document.getElementById('languages').addEventListener('change', this);
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var onSettingChange = this._boundHandleSettingChange =
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this.handleSettingChange.bind(this);
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this.settings.addObserver('language.current', onSettingChange);
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this.settings.addObserver('accessibility.screenreader', onSettingChange);
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},
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uninit: function uninit() {
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if (this._boundHandleSettingChange) {
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this.settings.removeObserver('language.current',
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this._boundHandleSettingChange);
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this.settings.removeObserver('accessibility.screenreader',
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this._boundHandleSettingChange);
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}
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},
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handleSettingChange: function(evt) {
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switch (evt.settingName) {
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case 'accessibility.screenreader':
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this.buildLanguageList();
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break;
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case 'language.current':
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// the 2nd parameter is to reset the current enabled layouts
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KeyboardHelper.changeDefaultLayouts(evt.settingValue, true);
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break;
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}
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},
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handleEvent: function handleEvent(evt) {
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if (!this.settings || evt.target.name != 'language.current') {
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return true;
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}
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this.setLanguage(evt.target.value);
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return false;
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},
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// update current launguage settings
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setLanguage: function settings_setLanguage(language) {
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this.settings.createLock().set({
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'language.current': language
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});
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},
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buildLanguageList: function settings_buildLanguageList() {
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var panel = document.querySelector('#languages');
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var container = panel.querySelector('ul');
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container.innerHTML = '';
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LanguageList.get(function fillLanguageList(allLanguages, currentLanguage) {
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for (var lang in allLanguages) {
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var label = document.createElement('label');
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// wrap the name of the language in Unicode control codes which force
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// the proper direction of the text regardless of the direction of
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// the whole app
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label.textContent = LanguageList.wrapBidi(lang, allLanguages[lang]);
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var radio = document.createElement('gaia-radio');
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radio.className = 'checkone';
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radio.setAttribute('name', 'language.current');
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radio.setAttribute('value', lang);
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radio.checked = (lang === currentLanguage);
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radio.appendChild(label);
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// Needed to use a custom class with dynamic insertion.
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radio.configureClass();
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var li = document.createElement('li');
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li.dataset.value = lang;
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li.appendChild(radio);
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container.appendChild(li);
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}
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panel.dataset.languagesReady = true;
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window.dispatchEvent(new CustomEvent('languagelistready'));
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});
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}
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};
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